-39.35% is the change from 826 to 501
Calculation steps:
[( 501 - 826 ) ÷ 826] x 100 = -39.35%
Formula
Percentage change = [(501 - 826) / 826] x 100
Subtract the new number by the original number
501 - 826 = -325
-325 ÷ 826 = -0.3934624697336562
-0.3934624697336562 x 100 = -39.35%